diff --git a/funasr/bin/train.py b/funasr/bin/train.py
index d3ebaacbf..3e3f5987d 100755
--- a/funasr/bin/train.py
+++ b/funasr/bin/train.py
@@ -241,6 +241,12 @@ def get_parser():
         default=False,
         help="Enable resuming if checkpoint is existing",
     )
+    parser.add_argument(
+        "--train_dtype",
+        default="float32",
+        choices=["float16", "float32", "float64"],
+        help="Data type for training.",
+    )
     parser.add_argument(
         "--use_amp",
         type=str2bool,